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Finding the Fourth Proportional to 255,469.62, 352,548.18 and 148,101.90

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Solution

The fourth proportional to 255,469.62, 352,548.18 and 148,101.90 is: 204,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,469.62 : 352,548.18 = 148,101.90 : x
  2. Step 2: Convert to fraction form
    255,469.62/352,548.18 = 148,101.90/x
  3. Step 3: Cross multiply
    255,469.62x = 352,548.18 × 148,101.90
  4. Step 4: Simplify right side
    255,469.62x = 52,213,055,299.54
  5. Step 5: Solve for x
    x = 52,213,055,299.54/255,469.62
  6. Step 6: Final answer
    x = 204,380.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.